bajillion

/bəˈd͡ʒɪljən/

//bəˈd͡ʒɪljən// noun

"bajillion" is a 9-letter English headword indexed on PlainSpell.

The verdict

“bajillion” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An unspecified, absurdly large number (of).

Corpus desk

Index EN-bajillion · bajillion · English

bajillion · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "B" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for bajillion
PropertyValue
Headwordbajillion
LanguageEnglish
Part of speechNoun
IPA/bəˈd͡ʒɪljən/
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “bajillion” in English

bajillionranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

bajillion is uncommon English outside the top frequency list, classed as anoun, transcribed /bəˈd͡ʒɪljən/. Rarity is why readers land here mid-draft. Gloss: "An unspecified, absurdly large number (of).".

No generated misspelling entries exist for bajillion in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: See -illion. The correct English form is bajillion, spelled B-A-J-I-L-L-I-O-N.

Definition

  1. 1
    An unspecified, absurdly large number (of).

Recorded use

Wiktionary examples

These source excerpts show how bajillion appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. However, I have a bajillion cherry tomatoes. Is it worth it to try to make spaghetti sauce from them, or will it take 10 bajillion cherry tomatoes to make any quantity of sauce?
  2. I’m glad Oasis are back together—a bajillion people singing “Wonderwall” live will be transcendent—but, I dunno, I’m sort of hoping for a bit of drama between the bros?

Etymology

See -illion.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "bajillion"?
"bajillion" is spelled B-A-J-I-L-L-I-O-N. The IPA pronunciation is /bəˈd͡ʒɪljən/.
What does "bajillion" mean?
As a noun, "bajillion" means: An unspecified, absurdly large number (of).
How do you pronounce "bajillion"?
The IPA (International Phonetic Alphabet) transcription for "bajillion" is /bəˈd͡ʒɪljən/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "bajillion"?
See -illion. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list